Fly Lines

Some days are calm and the fish are super spooky. You need a line that's capable of pinpoint accuracy at distance, and with delicacy to match. The ...

HALF-SIZE HEAVY LINE The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to fiv...

HALF-SIZE HEAVY LINE The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to fi...

Designed to turnover a wide range of indicators and fly sizes for long casts, efficient mends, and big dead drifts. Perfect for wade fishing or an...

Designed to cast large, and heavy flies with low-stretch, ultra-slick performance Short, powerful front taper to cast large and heavy flies Low-st...

The Elite RIO Perception is an easy casting, general purpose fly line that casts nymphs, dry flies, streamers and soft hackles with ease. The short...

Improved for 2020! The RIO Gold has been the go-to trout line around the world for many years, and for a multitude of fly fishers. The line has a l...

Designed for the modern, fast-action fly rod. Improved for 2020! The RIO Grand is a full line size heavier than the industry standard, and features...

THE VERY BEST FLATS LINE ON THE MARKET— perfect for bones, perms and poons with low-stretch, ultra-slick performance. Designed to easily cast flie...

RIO’s InTouch VersiTip II is a powerful, easy casting interchangable tip fly line designed for the traveling angler. Built with RIO’s ultra-low str...

RIO's Mainstream series of fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimi...

Our revolutionary RIO Perception floating trout line helps anglers connect with more fish than ever before. Built with ultra-low stretch ConnectCor...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than an...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than an...

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and e...

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and ei...

Scientific Anglers brand new Amplitude Smooth Infinity fly line is a great general purpose freshwater line. Built a half of size heavy to quickly a...

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and ei...

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and ei...

If you’re anything like us, the allure of big fish and big rivers is intoxicating. That’s precisely why we created the Anadro fly line. Designed wi...

When you’re knee-deep in a clear jungle stream somewhere in South America, you need the finest tools available in order to chase down the fish of y...

For years, the gold standard in the Scientific Anglers lineup was the GPX taper. From tossing small dries to slinging huge streamers, the GPX could...

You’ve got articulated streamers hanging from the lampshade on your desk. You think in terms of black, white, or olive. The term conehead doesn’t r...